The most popular PDA web browser, AvantGo, today announced the beta release of new RSS features in its mobile Internet service. The new features give users greater ease-of-use for viewing mobile RSS subscriptions online or offline, and expands the content available through AvantGo. If your phone or PDA doesn’t have an AvantGo client port, you can always use the web-based version through any other browser. OSNews and GnomeFiles have both AvantGo support (after creating a channel for them on your personal my.avantgo.com page) and they render well on small screens automatically.